/// <summary>
/// Clears the collection of all rows.
/// </summary>
public void Clear()
{
if (this.table.DataSet != null && this.table.DataSet.EnforceConstraints)
{
foreach (Constraint c in table.Constraints)
{
UniqueConstraint uc = c as UniqueConstraint;
if (uc == null)
{
continue;
}
if (uc.ChildConstraint == null || uc.ChildConstraint.Table.Rows.Count == 0)
{
continue;
}
string err = String.Format("Cannot clear table Parent because " +
"ForeignKeyConstraint {0} enforces Child.", uc.ConstraintName);
throw new InvalidConstraintException(err);
}
}
table.DataTableClearing();
List.Clear();
// Remove from indexes
table.ResetIndexes();
table.DataTableCleared();
OnListChanged(this, new ListChangedEventArgs(ListChangedType.Reset, -1, -1));
}
private void MergeTable(DataTable src, DataTable dst)
{
int rowsCount = src.Rows.Count;
bool wasEmpty = dst.Rows.Count == 0;
if (0 < rowsCount)
{
Index ndxSearch = null;
DataKey key = null;
ArrayList saveIndexes = dst.LiveIndexes;
dst.indexes = new ArrayList();
if (!wasEmpty && dst.primaryKey != null)
{
key = GetSrcKey(src, dst);
if (key != null)
{
ndxSearch = dst.primaryKey.Key.GetSortIndex(DataViewRowState.OriginalRows | DataViewRowState.Added);
}
}
for (int i = 0; i < rowsCount; i++)
{
DataRow sourceRow = src.Rows[i];
DataRow targetRow = null;
if (ndxSearch != null)
{
targetRow = dst.FindMergeTarget(sourceRow, key, ndxSearch);
}
dst.MergeRow(sourceRow, targetRow, preserveChanges, ndxSearch);
}
dst.indexes = saveIndexes;
dst.ResetIndexes();
}
MergeExtendedProperties(src.ExtendedProperties, dst.ExtendedProperties);
}
/// <include file='doc\DataTableCollection.uex' path='docs/doc[@for="DataTableCollection.Add"]/*' />
/// <devdoc>
/// <para>
/// Adds
/// the specified table to the collection.
/// </para>
/// </devdoc>
public virtual void Add(DataTable table)
{
OnCollectionChanging(new CollectionChangeEventArgs(CollectionChangeAction.Add, table));
BaseAdd(table);
ArrayAdd(table);
// need to reset indices if CaseSensitve is ambient
if (table.caseSensitiveAmbient)
{
table.ResetIndexes();
}
OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, table));
}
public void Add(DataTable table)
{
IntPtr ptr;
Bid.ScopeEnter(out ptr, "<ds.DataTableCollection.Add|API> %d#, table=%d\n", this.ObjectID, (table != null) ? table.ObjectID : 0);
try
{
this.OnCollectionChanging(new CollectionChangeEventArgs(CollectionChangeAction.Add, table));
this.BaseAdd(table);
this.ArrayAdd(table);
if (table.SetLocaleValue(this.dataSet.Locale, false, false) || table.SetCaseSensitiveValue(this.dataSet.CaseSensitive, false, false))
{
table.ResetIndexes();
}
this.OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, table));
}
finally
{
Bid.ScopeLeave(ref ptr);
}
}
/// <devdoc>
/// <para>
/// Adds
/// the specified table to the collection.
/// </para>
/// </devdoc>
public void Add(DataTable table)
{
IntPtr hscp;
Bid.ScopeEnter(out hscp, "<ds.DataTableCollection.Add|API> %d#, table=%d\n", ObjectID, (table != null) ? table.ObjectID : 0);
try {
OnCollectionChanging(new CollectionChangeEventArgs(CollectionChangeAction.Add, table));
BaseAdd(table);
ArrayAdd(table);
if (table.SetLocaleValue(dataSet.Locale, false, false) ||
table.SetCaseSensitiveValue(dataSet.CaseSensitive, false, false))
{
table.ResetIndexes();
}
OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, table));
}
finally {
Bid.ScopeLeave(ref hscp);
}
}
/// <summary>
/// Adds the specified table to the collection.
/// </summary>
public void Add(DataTable table)
{
long logScopeId = DataCommonEventSource.Log.EnterScope("<ds.DataTableCollection.Add|API> {0}, table={1}", ObjectID, (table != null) ? table.ObjectID : 0);
try
{
OnCollectionChanging(new CollectionChangeEventArgs(CollectionChangeAction.Add, table));
BaseAdd(table);
ArrayAdd(table);
if (table.SetLocaleValue(_dataSet.Locale, false, false) ||
table.SetCaseSensitiveValue(_dataSet.CaseSensitive, false, false))
{
table.ResetIndexes();
}
OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, table));
}
finally
{
DataCommonEventSource.Log.ExitScope(logScopeId);
}
}
/// <summary>
/// Adds the specified table to the collection.
/// </summary>
public void Add(DataTable table)
{
long logScopeId = DataCommonEventSource.Log.EnterScope("<ds.DataTableCollection.Add|API> {0}, table={1}", ObjectID, (table != null) ? table.ObjectID : 0);
try
{
OnCollectionChanging(new CollectionChangeEventArgs(CollectionChangeAction.Add, table));
BaseAdd(table);
ArrayAdd(table);
if (table.SetLocaleValue(_dataSet.Locale, false, false) ||
table.SetCaseSensitiveValue(_dataSet.CaseSensitive, false, false))
{
table.ResetIndexes();
}
OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, table));
}
finally
{
DataCommonEventSource.Log.ExitScope(logScopeId);
}
}
